Granted Patent
Utility
US 4,313,583 · App. 06/135,628
Railroad car wheel bearing heat signal processing circuit
Inventors:
Joseph E. Bambara, W. Woodward Sanville
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Mar 31, 1980
Inventors
Joseph E. Bambara
W. Woodward Sanville
Assignee (at issue)
Servo Corporation of America
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.